| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| uvc | Advanced Voice Chess Challenger | 1980 | Fidelity Electronics | Yes | vcc |
| vcc | Voice Chess Challenger (set 1) | 1979 | Fidelity Electronics | Yes | |
| vcca | Voice Chess Challenger (set 2) | 1979 | Fidelity Electronics | Yes | vcc |